In the territory of former Yugoslavia, wars were waged within the period of 1991-1995 on the territory of Croatia and Bosnia and Herzegovina, and in 1999 in the territory of Kosovo and Metohia during NATO aggression, which resulted in mental consequences, or wounds of war, in some of the participants. The aim of our study was to describe the wounds of war, suicide of war-veterans, and professional staff, participating in these wars. Our second aim of this study was to suggest some preventive measures that could help in the further application of the Suicide Prevention Program in the modern Army of Serbia. On the basis of the data obtained by psychological autopsy of suicide, selected were 30 professional staff who committed suicide within the period of 1999-2007; 10 of them were war-veterans and 20 were the control group. War-veterans have positive psychiatric heredity, they more intensively practice bodybuilding, more often were punished due to problems at work, while within the scope of the presuicidal syndrome, they manifest isolation more often in comparison with the control group formed of the professional staff who committed suicide in the same period. It is concluded that the further application of the Suicide Prevention Program is focused on four risk factors of suicide in returning troops: the past enviromental factors (taking part in wars), egzogenic (punishments at work), endogenic (genetic) and behavioral (early recognition of the presuicidal syndrome).